v3.26.1
Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance     $ 26,535  
Ending balance $ 33,879   33,879  
Foreign Currency Translation        
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance (1,099) $ (1,824) (1,149) $ (2,390)
Other comprehensive income (loss) 44 66 94 632
Ending balance (1,055) (1,758) (1,055) (1,758)
Retirement Benefit Plans        
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance (1,989) (2,182) (1,987) (2,179)
Other comprehensive income (loss) 32 (12) 30 (15)
Ending balance (1,957) (2,193) (1,957) (2,193)
Other        
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance 254 230 255 246
Other comprehensive income (loss) (4) 5 (5) (12)
Ending balance 250 235 250 235
Accumulated Other Comprehensive Loss        
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance (2,833) (3,775) (2,880) (4,322)
Other comprehensive income (loss) 72 59 119 606
Ending balance $ (2,761) $ (3,716) $ (2,761) $ (3,716)